Vial adapter



FIG. 1 is a top perspective view of a first embodiment of the vial adapter;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof, the rear view being identical thereto;

FIG. 5 is a left side view thereof, the right side views being identical thereto;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top perspective view of a second embodiment of the vial adapter;

FIG. 8 is a bottom perspective view of FIG. 7;

FIG. 9 is a top view of FIG. 7;

FIG. 10 is a front view thereof, the rear view being identical thereto;

FIG. 11 is a left side view thereof, the right side views being identical thereto; and,

FIG. 12 is a bottom view of FIG. 7. 

I claim the ornamental design for a vial adapter, as shown and described. 